I've got five apple trees that I helped my parents plant 20 years ago. Macintosh, Gravenstein, Golden Delicious, Fuji, and Johnathan. Bountiful crops every year. Need lots of tending and pruning. Though these are eating apples, I make gallons of cider from them each year.
Here is a list of cultivars on Wiki:
Also, get your hands on a copy of this book, it's a handy reference.